Bradley Wendelboe <[EMAIL PROTECTED]> writes:
> I've been trying to trace why diald fails since linux 2.3.13. Diald
> brings up the connection, but pppd does not set defaultroute, and the
> connection drops. I added a line to ip-up to set the route, and I can
> get a good net connection, but pppd times out and brings down the link.
> Using this method I also seem to get two default routes (sl0 and ppp0).
I think I know the reason, but not how to fix it. The problem is in
these lines in ppp.c
/*
* Find the interface number of the ppp device that pppd opened up and
* do any routing we might need to do.
* If pppd has not yet opened the device, then return 0, else return 1.
*/
int ppp_set_addrs()
{
static int sock = -1;
ulong laddr = 0, raddr = 0, baddr = 0;
/* We need a socket. Any socket... */
if (sock < 0)
sock = socket(AF_INET, SOCK_DGRAM, 0);
/* Try to get the interface number if we don't know it yet. */
if (link_iface == -1) {
/* Try the pppd-2.2.0 ioctrl first,
* Try the pppd-2.1.2 ioctrl if that fails
*/
if (ioctl(ppp_fd, PPPIOCGUNIT_2_2_0, &link_iface) == -1)
ioctl(modem_fd, PPPIOCGUNIT_2_1_2, &link_iface);
}
This is trying 2 mechanisms for testing if pppd is active, but kernel
2.3.13+ has introduced a 3rd mechanism (which diald is not trying)
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